217132682 has 16 divisors (see below), whose sum is σ = 351302280. Its totient is φ = 100058112.

The previous prime is 217132661. The next prime is 217132691. The reversal of 217132682 is 286231712.

217132682 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 66113161 + 151019521 = 8131^2 + 12289^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11294 + ... + 23702.

Almost surely, 2^217132682 is an apocalyptic number.

217132682 is a deficient number, since it is larger than the sum of its proper divisors (134169598).

217132682 is a wasteful number, since it uses less digits than its factorization.

217132682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13097.

The product of its digits is 8064, while the sum is 32.

The square root of 217132682 is about 14735.4226949891. The cubic root of 217132682 is about 601.0469517206.

The spelling of 217132682 in words is "two hundred seventeen million, one hundred thirty-two thousand, six hundred eighty-two".